Cactus, Inc. (NYSE: WHD) director sells 10,000 shares at 66.1306

Rhea-AI Filing Summary

Cactus, Inc. director John A. O'Donnell sold 10,000 shares of Class A Common Stock on 2026-08-05 at 66.1306 per share in a sale described as an open market or private transaction. After this sale, he directly holds 17,990 shares.

Insider Trade Summary

Net Seller: 10,000 shares

Net Sell 1 txn

Insider ODONNELL JOHN A

Role Director

Sold 10,000 shs ($661K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	10,000	$66.1306	$661K

Holdings After Transaction: Class A Common Stock — 17,990 shares (Direct)

Key Figures

Shares sold: 10,000 shares Sale price per share: 66.1306 per share Shares held after sale: 17,990 shares

3 metrics

Shares sold 10,000 shares Class A Common Stock sale on 2026-08-05

Sale price per share 66.1306 per share Price for the 10,000 Class A shares sold

Shares held after sale 17,990 shares Director's direct holdings following the transaction

Key Terms

Class A Common Stock, open market or private transaction, Rule 10b5-1

3 terms

Class A Common Stock financial

"Sale of 10,000 shares of Class A Common Stock by a director"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

open market or private transaction financial

"Transaction code description states sale in open market or private transaction"

Rule 10b5-1 regulatory

"Document-level Rule 10b5-1 checkbox is indicated as false"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/06/2026 - 03:26 PM Accepted by SEC EDGAR 08/06/2026 - 03:25 PM Learn about SEC filing dates

FAQ

What insider transaction did Cactus (WHD) report for John A. O'Donnell?

Cactus (WHD) reported that director John A. O'Donnell sold 10,000 shares of Class A Common Stock. The transaction occurred on 2026-08-05 and is characterized as a sale in an open market or private transaction, reducing his directly held stake but leaving shares remaining.

How many Cactus (WHD) shares did director John A. O'Donnell sell?

Director John A. O'Donnell sold 10,000 shares of Cactus (WHD) Class A Common Stock. The Form 4 shows this single non-derivative sale, with all 10,000 shares disposed of in the reported transaction on 2026-08-05 as part of an open market or private trade.

At what price were Cactus (WHD) shares sold by John A. O'Donnell?

The reported sale by John A. O'Donnell was executed at 66.1306 per share. This per-share price applies to the 10,000 Class A Common Stock shares sold on 2026-08-05, according to the transaction details listed in the Form 4 insider report.

How many Cactus (WHD) shares does John A. O'Donnell hold after the sale?

After the transaction, John A. O'Donnell directly holds 17,990 shares of Cactus (WHD) Class A Common Stock. This post-transaction balance reflects his remaining direct ownership following the reported sale of 10,000 shares on 2026-08-05.

Was the Cactus (WHD) insider sale reported under a Rule 10b5-1 plan?

The Form 4 indicates the document-level Rule 10b5-1 checkbox is not marked as true. No footnotes describe the sale as pursuant to a Rule 10b5-1 trading plan, so the filing does not characterize this transaction as plan-based.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

ODONNELL JOHN A

(Last) (First) (Middle)

920 MEMORIAL CITY WAY

SUITE 300

(Street)

HOUSTON TEXAS 77024

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Cactus, Inc. [ WHD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	08/05/2026		S		10,000	D	$66.1306	17,990	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ John A O'Donnell, by William Marsh as Attorney-in-Fact	08/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)